To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I have received the order and would like to bring in your knowledge that the box did not have any seal so kindly confirm the following is received product is 100% original & brand new? what is the warranty period and how i can know it as there is nothing mentioned?